Contra Costa County property record for 4030 Joan Ave, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,586 sqft · built 1950 |
| Lot Size | 0.258 acres (11,250 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $595,000 (Feb 2017) |
| Tax Bill | $8,633 (2025) |
| Deeds & Mortgages | Dec 2025 Transfer Apr 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 132-121-012 |
| Primary APN | 132-121-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,586 sqft Living Area |
| 1st Floor Area | 1,586 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 11,250 sqft (0.258 acres) |
| Lot Dimensions | 150 ft deep x 75 ft wide |
| Garage Type | Carport |
| Garage Area | 324 sqft |
| Carport | Carport |
| Carport Area | 324 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|
| Street Address | 4030 JOAN AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2654 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R8 |
| Legal Description | ROSAL PARK POR LOTS 32 & 33 |
| Legal Subdivision | ROSAL PARK |
| Legal Lot Number | 32,33 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 334001 |
Source: Contra Costa County assessment roll, APN 132-121-012, as of July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4661 BISHOP CT, CONCORD, CA 94521-2010 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Dec 04, 2025 | Intrafamily Transfer, Transfer |
| Apr 19, 2021 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Oct 08, 2019 | Intrafamily Transfer, Transfer · Conventional Mortgage FIRST FEDERAL BANK |
| Feb 24, 2017 | Grant Deed, Transfer · Conventional Mortgage CBC NATIONAL BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 24, 2017 · Amount on Record |
| Deed Sale | Feb 24, 2017 · Amount on Record |
| Prior Sale | Sep 30, 2016 · Amount on Record |
| Deed Document Number | 201734719 |
| Last Transfer Date | Nov 21, 2025 |
| Transfer Doc | 0000135586 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 04, 2025 |
| Property Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000135586 |
| Map Reference | MB 30 PG 13 |
| Instrument Date | Nov 21, 2025 |
| Instrument | 2025- 135586 |
| Transaction Type | Transfer |
| Record Updated | Dec 18, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4661 BISHOP CT, CONCORD, CA 94521-2010 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | ADVANTAGE TITLE LLC |
| Name | Verified Name |
|---|---|
| Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000116210 |
|---|---|
| Date | Apr 19, 2021 |
| Instrument | 2021-116210 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 08, 2019 |
| Property Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000170068 |
| Map Reference | MB 30 PG 13 |
| Instrument Date | Sep 10, 2019 |
| Instrument | 2019-170068 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | ADVANTAGE TITLE LLC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000170069 |
|---|---|
| Date | Oct 08, 2019 |
| Instrument | 2019-170069 |
| Name | FIRST FEDERAL BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 01, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 24, 2017 |
| Property Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000034719 |
| Map Reference | MB30 PG13 |
| Instrument Date | Feb 24, 2017 |
| Instrument | 2017-034719 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | NORTH AMERICAN TITLE CO INC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4030 JOAN AVE, CONCORD, CA 94521-2654 |
| Document Number | 0000034720 |
|---|---|
| Date | Feb 24, 2017 |
| Instrument | 2017-034720 |
| Name | CBC NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2047 |
Source: Contra Costa County assessment roll as of July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $704,352 (+2%) Land $467,596 Building $236,756 | |
| 2025 | $8,633.00 (+4.52%) | $690,542 (+4.04%) Land $458,428 Building $232,114 |
| 2023 | $8,260.00 (+1.31%) | $663,729 Land $440,628 Building $223,101 |
| 2022 | $8,153.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133340012, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 3 (1980–2005) |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, 579 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom.
Source: EPA Safe Drinking Water Information System, water system CA0710003, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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